Check BMC time drift

Resolves  openbmc/openbmc-test-automation#1121

Change-Id: If0cf9311f4b272f134921006390ab981d908ea48
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_bmc_reboot.robot b/tests/test_bmc_reboot.robot
index 0ba5ce9..d168047 100644
--- a/tests/test_bmc_reboot.robot
+++ b/tests/test_bmc_reboot.robot
@@ -29,4 +29,5 @@
     REST OBMC Reboot (off)  stack_mode=normal
 
     BMC Execute Command  if [ -f ${test_file_path} ] ; then false ; fi
+    Verify BMC RTC And UTC Time Drift